/Engine/Source/Editor/UnrealEd/Public/Subsystems/ImportSubsystem.h
Broadcast AssetPreImport, do not broadcast with OnAssetPostImport directly.
void BroadcastAssetPreImport ( [UFactory](API\Editor\UnrealEd\Factories\UFactory) * InFactory, [UClass](API\Runtime\CoreUObject\UObject\UClass) * InClass, [UObject](API\Runtime\CoreUObject\UObject\UObject) * InParent, const [FName](API\Runtime\Core\UObject\FName) & Name, const TCHAR * Type )